![Yamaha TZR250 (1987) [7/333] Chapter 4 engine overhaul](/img/pdf.png)
Yamaha TZR250 (1987) [7/333] Chapter 4 engine overhaul
![Yamaha TZR250 (1987) [7/333] Chapter 4 engine overhaul](/views2/1121408/page7/bg7.png)
Содержание
- Tzr250 1
- Yamaha 87 1
- Caution 3
- Exploded diagram 3
- How to use this manual 3
- Manual format 3
- Notice 3
- Particularly important information 3
- Illustrated symbols refer to the illustration 4
- Chapter 1 general information 5
- Chapter 2 specifications 5
- Contents 5
- Chapter 4 engine overhaul 7
- Carburetion 8
- Chapter 5 8
- Chapter 6 8
- Chas j 8
- Cool ij 8
- Cooling system 8
- Gen ki 8
- Insp adj 8
- Trbllt l shtgk j 8
- Chapter 7 chassis 9
- Carb t 10
- Chapter 8 electrical 10
- Gen кц nfobh 10
- Inspb l adjcj 10
- Specf j 10
- Trblf shtgt 10
- Chapter 9 11
- Troubleshooting 11
- Gen info 13
- General information 13
- Motorcycle identification 13
- Gen info 14
- Important information 14
- Gen info 15
- Important information 15
- Special tools 16
- Gen info 18
- Special tools 18
- Special tools 19
- General specifications 20
- Specifications 20
- General specifications 21
- Maintenance specifications 22
- Maintenance 23
- Maintenance specifications 24
- Maintenance specifications 25
- Maintenance specifications 26
- Maintenance specifications 27
- Maintenance specifications 28
- Maintenance specifications 29
- Maintenance specifications 30
- Maintenance specifications 31
- Maintenance specifications 32
- Maintenance specifications 33
- Definition of units 34
- General torque specifications 34
- Lubrication points and lubricant type 35
- Lubrication points and lubricant type 36
- _ sisii 36
- __sïâ 36
- Cable routing 39
- Cable routing 40
- Cable routing 41
- Cable routing 42
- Introduction 43
- O o o__ 43
- P j e w 43
- Periodic inspection and adjustment 43
- Periodic maintenance lubrication intervals 43
- Insp adj ev 44
- Periodic maintenance lubrication intervals 44
- Cowlings 45
- Insp ad 45
- Cowlings 46
- Insp adj eh 46
- Insp ad 47
- Side covers 47
- Engine 48
- Insp adj 48
- Y p v s cable adjustment 48
- Y p v s cable adjustment 49
- Carburetor synchronization 50
- Insp ad 50
- Carburetor synchronization 51
- Carburetor synchronization 52
- Insp adj 52
- Idle speed adjustment 53
- Insp adj 54
- Throttle cable free play adjustment 54
- Autolube pump cable adjustment 55
- Autolube pump stroke adjustment 56
- Insp ad 56
- Spark plug inspection 58
- Spark plug inspection ignition timing check 59
- Ignition timing check 60
- Insp adj 60
- Engine oil level check 61
- Insp ad 61
- Insp adj 62
- Transmission oil level inspection 62
- Transmission oil replacement 62
- Transmission oil replacement 63
- Clutch adjustment 64
- Insp adj 64
- Air filter cleaning 65
- Insp adj 65
- A adj 1 66
- Air filter cleaning 66
- Air filter cleaning carburetor joint 67
- Insp adj 67
- Inspection 67
- Carburetor joint inspection 68
- Insp adj 68
- Fuel line inspection 69
- Insp adj 69
- Fuel line inspection exhaust system inspection 70
- Coolant level inspection 71
- Insp adj ev 71
- Coolant level inspection 72
- Insp adj 72
- Coolant replacement 73
- Jnsp g adj 73
- Coolant replacement 74
- Insp adj 74
- Coolant replacement 75
- Insp ad 75
- Coolant replacement 76
- Insp adj 76
- Cooling system inspection 77
- Insp ad 77
- Cooling system inspection 78
- Insp adj 78
- Adjustment 79
- Chassis 79
- Front brake adjustment rear brake 79
- Insp adj eth 79
- Brake fluid inspection 80
- Insp adj 80
- Brake pad inspection brake light switch adjustment 81
- Jnsp fj adj 81
- Drive chain slack adjustment 82
- Msp pg adj 82
- Drive chain slack adjustment 83
- Insp ad 83
- Drive chain lubrication steering head adjustment 84
- Insp ad 85
- Steering head adjustment 85
- Imsp yj adj 1 86
- Steering head adjustment 86
- Front fork oil replacement 87
- Insp ad 87
- Front fork oil replacement 88
- Inspjoa adj 88
- Insp ad 89
- No_______ 89
- Insp ad 90
- Nm n mon r i 90
- Rear shock absorber adjustment 90
- Insp adj 91
- Rear shock absorber settings 91
- Recommended combinations of front fork and 91
- Insp ad 92
- Tire inspection 92
- Insp adj 93
- Wheel inspection 93
- Cable inspection and lubrication 94
- Insp adj 94
- Lever and pedal lubrication sidestand 94
- Lubrication swingarm and relay arm lubrication 94
- Uu__________________ 94
- Battery inspection 95
- Electrical 95
- Insp ad 95
- Battery inspection 96
- Insp adj 96
- Battery inspection fuse inspection 97
- Insp ad 97
- Fuse inspection 98
- Insp ad 98
- Bulb replacement 99
- Headlight beam adjustment headlight sp so 99
- Headlight bulb replacement 100
- Insp adj 100
- Engine overhaul 101
- Engine removal 101
- Engine removal 103
- Engine removal 104
- Engine removal 107
- Engine disassembly 108
- Engine disassembly 109
- Engine disassembly 110
- Engine disassembly 111
- Engine disassembly 112
- Engine disassembly 114
- Engine disassembly 118
- Inspection and repair 119
- Inspection and repair 121
- Inspection and repair 122
- Inspection and repair 124
- Inspection and repair 126
- Inspection and repair 127
- Inspection and repair 128
- Inspection and repair 129
- Inspection and repair 130
- Inspection and repair 131
- Engine assembly and adjustment 132
- Engine assembly and adjustment 133
- Engine assembly and adjustment 134
- Engine assembly and adjustment 135
- Engine assembly and adjustment 136
- Engine assembly and adjustment 137
- Engine assembly and adjustment 138
- Engine assembly and adjustment 139
- Engine assembly and adjustment 140
- Engine assembly and adjustment 141
- Engine assembly and adjustment 142
- Engine assembly and adjustment 143
- Engine assembly and adjustment 144
- Engine assembly and adjustment 145
- Engine assembly and adjustment 146
- Engine assembly and adjustment 147
- Engine assembly and adjustment 148
- Engine assembly and adjustment 149
- Engine assembly and adjustment 150
- Engine assembly and adjustment 151
- Engine assembly and adjustment 152
- Engine assembly and adjustment 153
- Engine assembly and adjustment 154
- Engine assembly and adjustment 155
- Engine assembly and adjustment 156
- Engine assembly and adjustment 157
- Engine assembly and adjustment 158
- Engine assembly and adjustment 159
- Engine assembly and adjustment 160
- Engine assembly and adjustment 161
- Engine assembly and adjustment 162
- Cooling system 163
- Water pump 163
- Water pump 164
- Water pump 165
- Water pump 166
- Water pump 167
- Water pump 168
- Thermostatic valve and radiator 169
- Thermostatic valve and radiator 170
- Thermostatic valve and radiator 171
- Thermostatic valve and radiator 172
- Thermostatic valve and radiator 173
- Thermostatic valve and radiator 174
- Thermostatic valve and radiator 175
- Carburetion 176
- Carburetor 176
- Carburetor 177
- Carburetor 178
- Carburetor 179
- Carburetor 180
- Carburetor 181
- Carburetor 182
- Carburetor 183
- Carburetor 184
- Carburetor 185
- Carburetor 186
- Reed valve 187
- Reed valve 188
- Reed valve 189
- Reed valve 190
- Chasg fe 191
- Chassis 191
- Front wheel 191
- Cd_____________ 192
- Front wheel 192
- Front wheel 193
- Front wheel 194
- Front wheel 195
- Rear wheel 196
- Rear wheel 197
- Rear wheel 198
- Rear wheel 199
- Front and rear brake 200
- Front and rear brake 201
- Front and rear brake 202
- Chas 3 203
- Front and rear brake 203
- Front and rear brake 204
- Front and rear brake 205
- Front and rear brake 206
- Front and rear brake 207
- Front and rear brake 208
- Chases 209
- Front and rear brake 209
- Front and rear brake 211
- Front and rear brake 212
- Front and rear brake 213
- Chas y 214
- Front and rear brake 214
- Front and rear brake 215
- Front and rear brake 216
- Front and rear brake 217
- 25_________ 218
- Front and rear brake 218
- Front and rear brake 219
- Front fork 220
- Front fork 221
- Front fork 223
- Front fork chas 224
- Front fork 225
- Front fork chas 227
- Front fork 228
- Chasgb 229
- Steering head and handlebars 229
- Steering head and handlebars 230
- Chas y 231
- Steering head and handlebars 231
- Steering head and handlebars 233
- Steering head and handlebars 234
- Steering head and handlebars 235
- Steering head and handlebars 236
- Steering head and handlebars 237
- Steering head and handlebars 238
- Rear shock absorber and swingarm 239
- Es033__________ 240
- Rear shock absorber and swingarm 240
- Rear shock absorber and swingarm 241
- Rear shock absorber and swingarm 242
- Rear shock absorber and swingarm 243
- Chascàâ 245
- Rear shock absorber and swingarm 245
- Rear shock absorber and swingarm 246
- Rear shock absorber and swingarm 247
- Chas 3 248
- Drive chain and sprocket 248
- Drive chain and sprockets 248
- Drive chain and sprocket 249
- Chas 3 250
- Drive chain and sprocket 250
- Chasiajs 251
- Drive chain and sprocket 251
- Drive chain and sprocket 252
- Chas 3 253
- Meter assembly 253
- Meter assembly 254
- Meter assembly 255
- Meter assembly 256
- Electrical 257
- Tzr250 circuit diagram 258
- Electrical components 259
- Electrical components 260
- Elec s 262
- Ignition and starting system 262
- Ignition and starting system 263
- Ignition and starting system 264
- Ignition and starting system 265
- Ignition and starting system 266
- Ignition and starting system 267
- Elec s 268
- Ignition and starting system 268
- Ignition and starting system 269
- Ignition and starting system 270
- Elec o 271
- Ignition and starting system 271
- Ignition and starting system 273
- Charging system 275
- Charging system 276
- Charging system 277
- Charging system 278
- Elec s 280
- Lighting system 280
- Lighting system 281
- Lighting system 282
- Lighting system 284
- Lighting system 285
- Lighting system 286
- Signal system 289
- Elec iü 290
- Signal system 290
- Signal system 291
- Signal system 292
- Signal system 293
- Signal system 294
- Signal system 295
- __________ 296
- _______________________ ________ signal system 296
- Signal system 297
- Display system 298
- Display system 299
- Display system 300
- Display system 301
- Display system 302
- Display system 303
- Display system 304
- Display system 306
- Cooling system 308
- Cooling system 309
- Cooling system 310
- Cooling system 311
- Cooling system 312
- Yamaha power valve system 313
- Yamaha power valve system 314
- Yamaha power valve system 315
- Elec el 316
- Yamaha power valve system 316
- Yamaha power valve system 317
- Caytton __________________________ 318
- Yamaha power valve system 318
- Starting failure hard starting 320
- Troubleshooting 320
- Starting failure hard starting 321
- Trbl shtg 321
- Idle speed performance 322
- Poor idle speed performance 322
- Starting failure hard starting poor 322
- Trbl shtg 322
- Poor medium and high speed performance 323
- Trbl shtg 323
- Poor medium and high speed performance 324
- Trbl shtg 324
- Faulty gear shifting 325
- Trbl shtg 325
- Clutch slipping dragging 326
- Trbl sht 326
- Improper kicking 327
- Trbl sht 327
- And front fork malfunction 328
- Faulty brake 328
- Faulty brake front fork oil leakage 328
- Front fork oil leakage and front fork malfunction 328
- Trbl sht 328
- Instable handling 329
- Faulty signal and lighting system 330
- Trbl sht 330
- Faulty signal and lighting system 331
- Faulty y p v s 331
- Trbl shtg 331
- Overheating or over cooling 332
- Trbl o shtg 332
- Handling of asbestos parts 333
- _____________________ _____ 333
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RECOMMENDED COMBINATIONS OF FRONT FORK AND REAR SHOCK ABSORBER SETTINGS 3 103 TIRE INSPECTION 3 105 WHEEL INSPECTION 3 107 CABLE INSPECTION AND LUBRICATION 3 109 LEVER AND PEDAL LUBRICATION 3 109 SIDESTAND LUBRICATION 3 109 SWINGARM AND RELAY ARM LUBRICATION 3 109 ELECTRICAL 3 1 Ц BATTERY INSPECTION 3 111 FUSE INSPECTION 3 115 HEADLIGHT BEAM ADJUSTMENT 3 119 HEADLIGHT BULB REPLACEMENT 3 119 CHAPTER 4 ENGINE OVERHAUL ENGINE REMOVAL 4 1 COWLINGS 4 1 TRANSMISSION OIL 4 1 COOLANT 4 1 MUFFLER ASSEMBLY 4 3 SEAT 4 3 FUEL TANK 4 3 CARBURETOR 4 5 AUTOLUBE PUMP CABLE AND HOSE 4 5 CLUTCH CABLE 4 7 Y P V S CABLES 4 9 RADIATOR 4 9 LEADS 4 11 DRIVE CHAIN 4 11 ENGINE REMOVAL 4 13 ENGINE DISASSEMBLY 4 15 CYLINDER HEAD CYLINDERSAND PISTONS 4 15 CLUTCH AND PRIMARY DRIVE GEAR 4 19 KICK AXLE AND KICK IDLE GEAR 4 23 SHIFT SHAFT 4 25 C DJ MAGNETO 4 27 CRANKCASE UPPER 4 29 TRANSMISSION SHIFTER ANDCRANKSHAFT 4 31 POWER VALVES 4 33 OIL PUMP AND STRAINER 4 35 INSPECTION AND REPAIR 4 37 CYLINDER HEAD 4 37 CYLINDER AND PISTON 4 39 PISTON RINGS 4 43 PISTON PIN AND BEARING 4 45